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/*************************************************************************
Irem M107 hardware
*************************************************************************/
struct pf_layer_info
{
tilemap_t * tmap;
UINT16 vram_base;
UINT16 control[4];
};
class m107_state : public driver_device
{
public:
m107_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_spriteram(*this, "spriteram"),
m_vram_data(*this, "vram_data") { }
required_shared_ptr<UINT16> m_spriteram;
required_shared_ptr<UINT16> m_vram_data;
UINT8 m_irq_vectorbase;
int m_sound_status;
UINT8 m_spritesystem;
UINT8 m_sprite_display;
UINT16 m_raster_irq_position;
pf_layer_info m_pf_layer[4];
UINT16 m_control[0x10];
UINT16 *m_buffered_spriteram;
DECLARE_WRITE16_MEMBER(m107_coincounter_w);
DECLARE_WRITE16_MEMBER(m107_bankswitch_w);
DECLARE_WRITE16_MEMBER(m107_soundlatch_w);
DECLARE_READ16_MEMBER(m107_sound_status_r);
DECLARE_READ16_MEMBER(m107_soundlatch_r);
DECLARE_WRITE16_MEMBER(m107_sound_irq_ack_w);
DECLARE_WRITE16_MEMBER(m107_sound_status_w);
DECLARE_WRITE16_MEMBER(m107_sound_reset_w);
DECLARE_WRITE16_MEMBER(wpksoc_output_w);
DECLARE_WRITE16_MEMBER(m107_vram_w);
DECLARE_WRITE16_MEMBER(m107_control_w);
DECLARE_WRITE16_MEMBER(m107_spritebuffer_w);
DECLARE_DRIVER_INIT(firebarr);
DECLARE_DRIVER_INIT(dsoccr94);
DECLARE_DRIVER_INIT(wpksoc);
TILE_GET_INFO_MEMBER(get_pf_tile_info);
virtual void machine_start();
virtual void video_start();
UINT32 screen_update_m107(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};
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